// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CONTENT_BROWSER_RENDERER_HOST_INPUT_SYNTHETIC_GESTURE_TARGET_BASE_H_
#define CONTENT_BROWSER_RENDERER_HOST_INPUT_SYNTHETIC_GESTURE_TARGET_BASE_H_

#include "base/macros.h"
#include "base/time/time.h"
#include "content/browser/renderer_host/input/synthetic_gesture_target.h"

namespace ui {
class LatencyInfo;
}

namespace blink {
class WebTouchEvent;
class WebMouseEvent;
class WebMouseWheelEvent;
}

namespace content {

class RenderWidgetHostImpl;

class SyntheticGestureTargetBase : public SyntheticGestureTarget {
public:
    explicit SyntheticGestureTargetBase(RenderWidgetHostImpl* host);
    ~SyntheticGestureTargetBase() override;

    virtual void DispatchWebTouchEventToPlatform(
        const blink::WebTouchEvent& web_touch,
        const ui::LatencyInfo& latency_info);

    virtual void DispatchWebMouseWheelEventToPlatform(
        const blink::WebMouseWheelEvent& web_wheel,
        const ui::LatencyInfo& latency_info);

    virtual void DispatchWebMouseEventToPlatform(
        const blink::WebMouseEvent& web_mouse,
        const ui::LatencyInfo& latency_info);

    // SyntheticGestureTarget:
    void DispatchInputEventToPlatform(const blink::WebInputEvent& event) override;

    void SetNeedsFlush() override;

    SyntheticGestureParams::GestureSourceType
    GetDefaultSyntheticGestureSourceType() const override;

    base::TimeDelta PointerAssumedStoppedTime() const override;

    float GetTouchSlopInDips() const override;

    float GetMinScalingSpanInDips() const override;

protected:
    RenderWidgetHostImpl* render_widget_host() const { return host_; }

private:
    bool PointIsWithinContents(int x, int y) const;

    RenderWidgetHostImpl* host_;

    DISALLOW_COPY_AND_ASSIGN(SyntheticGestureTargetBase);
};

} // namespace content

#endif // CONTENT_BROWSER_RENDERER_HOST_INPUT_SYNTHETIC_GESTURE_TARGET_BASE_H_
